Can you flash the ECU on a Mercury Pro XS? Also does it destroy your motor? I have a 4 year old 200 pro xs and was trying to get more horse power for a better hole shot.
Type: Posts; User: Billy55
Can you flash the ECU on a Mercury Pro XS? Also does it destroy your motor? I have a 4 year old 200 pro xs and was trying to get more horse power for a better hole shot.